Aquatic Ecology

Microscopic, free-floating, autotrophic organisms that function as producers in aquatic ecosystems are called...

• plankton
• zooplankton
• phytoplankton
• bacteria

Tags

NGSS.MS-LS2-3

Aquatic insects or other small organisms that have no backbone and are large enough to be seen without a microscope are called...

• bacteria
• zooplankton
• benthic macrovertebrates
• benthic macroinvertebrates

Pollutants discharged from a single identifiable location (e.g., pipes, ditches, channels, sewers, tunnels, containers of various types).

• point source pollution
• stormwater runoff
• nonpoint source pollution
• thermal pollution

Water pollution that does not have a specific point of origin is called ...

• point source pollution
• non point source pollution
• thermal pollution
• inorganic pollution

Water that drains into a water source after a rain storm occurs. This is the number one cause of non point source pollution in Pennsylvania.

• thermal pollution
• point source pollution
• inorganic pollution
• storm water runoff

An immediate increase in the amount of algae and other producers that results from a large input of nutrients is called...

• plant growth
• algal bloom
• phytoplankton growth
• aquatic bloom

Overnourishment of aquatic ecosystems with plant nutrients (mostly nitrates and phosphates) because of human activities such as agriculture, urbanization, and discharges from industrial plants and sewage treatment plants.

• algal bloom
• cultural eutrophication
• oligotrophic
• littoral zone

A measure of the buffering capacity of water

• acidity
• limnology
• limnetic
• alkalinity

A habitat in which the fresh water of a river meets the salt water of the ocean.

• estuary
• swamp
• marsh
• fen

What does water in the atmosphere react with to create carbonic acid?

• oxygen
• nitrogen
• phosphorous
• carbon dioxide